Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11872867 | Tractor trailer refrigeration unit | Gerald Larson, Jeffrey C. Flath, Robert W. Doane, Philip R. Pierce, Ryan Kennedy Kemmet | 2024-01-16 |
| 10899192 | Tractor trailer refrigeration unit | Gerald Larson, Jeffrey C. Flath, Robert W. Doane, Philip R. Pierce | 2021-01-26 |
| 10710525 | Multiple vehicular charge sources and loads | Philip R. Pierce, Robert W. Doane, Jeffrey C. Flath | 2020-07-14 |
| 9878682 | Multiple vehicular charge sources and loads | Philip R. Pierce, Robert W. Doane, Jeffrey C. Flath | 2018-01-30 |
| 9586458 | Tractor trailer refrigeration unit | Gerald Larson, Jeffrey C. Flath, Robert W. Doane, Philip R. Pierce | 2017-03-07 |